题目内容

【题目】黄土高原上的陕西洛川苹果香甜可口,深受消费者喜爱。洛川苹果种植的自然条件优势是

A.黄土塬、黄土峁等密布B.日照较充足,昼夜温差大

C.降水集中在冬春两季D.黄土沟壑纵横

【答案】B

【解析】

A.洛川位于黄土高原,黄土梁、黄土峁密布,平整土地较少,不利于苹果的种植,A错误;

B.洛川位于黄土高原,气候的大陆性强,降水少,晴天多,光照充足,昼夜温差大,有利于有机质的合成,糖分的积累,产出的苹果较甜,B正确;

C.洛川位于温带季风气候区,降水集中在夏秋季节,C错误;

D.黄土高原沟壑纵横,不利于苹果的种植,D错误。故选B。

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【题目】Often people use laptops (笔记本电脑) on trains and airplanes,in airports and hotels.These laptops connect people to their workplace.In the United States today,laptops also connect students to their classrooms.

Westlake College in Virginia will start a laptop computer programme that allows students to do schoolwork anywhere they want.Within five years,each of the 1,500 students at the college will receive a laptop.The laptops are part of a $10 million computer programme at Westlake,a 110yearold college.The students with laptops will also have access to the Internet.Besides,they will be able to use email to“speak”with their teachers,their classmates,and their families.However,the most important part of the laptop programme is that students will be able to use computers without going to computer labs.They can work with it at home,in a fastfood restaurant or under the trees—anywhere at all!

Because of the many changes in computer technology,laptop use in higher education,such as colleges and universities,is workable(可行的).As laptops become more powerful,they become more similar to desktop computers.Also,the portable computers can connect students to not only the Internet,but also libraries and other resources.State higher education officials are studying how laptops can help students.State officials are also testing laptop programmes at other universities,too.

1The main purpose of the laptop programme is to give each student a laptop to ________.

A. do their school work

B. have access to the Internet

C. send emails

D. connect them to libraries

2The underlined word“speak”in the second paragraph most probably means“________”.

A. talk with speakers

B. talk with one's mouth

C. communicate

D. use the computer language

3Which of the following is TRUE about Westlake College?

A. It is an old college in America.

B. 1,500 students have laptops.

C. All students use computers.

D. Students there can do everything.

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